ipld-eth-server/pkg/history/populate_blocks.go
Rob Mulholand d5c2ab33fc Sync only missing blocks on cold import
= Add eth_node_fingerprint to block that can be imitated by both hot and cold imports
- Only sync missing blocks (blocks that are missing or don't share a fingerprint) on cold import
- Set block is_final status after import
2018-05-07 16:38:04 -05:00

31 lines
1.0 KiB
Go

package history
import (
"log"
"github.com/vulcanize/vulcanizedb/pkg/core"
"github.com/vulcanize/vulcanizedb/pkg/datastore"
)
func PopulateMissingBlocks(blockchain core.Blockchain, blockRepository datastore.BlockRepository, startingBlockNumber int64) int {
lastBlock := blockchain.LastBlock().Int64()
blockRange := blockRepository.MissingBlockNumbers(startingBlockNumber, lastBlock-1, blockchain.Node().ID)
log.SetPrefix("")
log.Printf("Backfilling %d blocks\n\n", len(blockRange))
RetrieveAndUpdateBlocks(blockchain, blockRepository, blockRange)
return len(blockRange)
}
func RetrieveAndUpdateBlocks(blockchain core.Blockchain, blockRepository datastore.BlockRepository, blockNumbers []int64) int {
for _, blockNumber := range blockNumbers {
block, err := blockchain.GetBlockByNumber(blockNumber)
if err != nil {
log.Printf("failed to retrieve block number: %d\n", blockNumber)
return 0
}
// TODO: handle possible error here
blockRepository.CreateOrUpdateBlock(block)
}
return len(blockNumbers)
}